390228930

Names of 390228930

• Cardinal: 390228930 can be written as Three hundred ninety million, two hundred twenty-eight thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 3.9022893 × 10⁸

Factors of 390228930

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 390228930

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 21 26 29 30 31 35 39 42 45 53 58 62 63 65 70 78 87 90 91 93 105 106 117 126 130 145 155 159 174 182 186 195 203 210 217 234 261 265 273 279 290 310 315 318 371 377 390 403 406 434 435 455 465 477 522 530 546 558 585 609 630 651 689 742 754 795 806 819 870 899 910 930 954 1015 1085 1113 1131 1170 1209 1218 1302 1305 1365 1378 1395 1537 1590 1638 1643 1798 1827 1855 1885 1953 2015 2030 2067 2170 2226 2262 2385 2418 2610 2639 2697 2730 2790 2821 3045 3074 3255 3286 3339 3393 3445 3627 3654 3710 3770 3906 4030 4095 4134 4495 4611 4770 4823 4929 5278 5394 5565 5642 5655 6045 6090 6201 6293 6510 6678 6786 6890 7254 7685 7917 8091 8190 8215 8463 8990 9135 9222 9646 9765 9858 10335 10759 11130 11310 11501 11687 12090 12402 12586 13195 13485 13833 14105 14469 14787 15370 15834 16182 16430 16695 16926 16965 18135 18270 18879 19530 19981 20670 21359 21518 23002 23055 23374 23751 24115 24645 25389 26390 26970 27666 28210 28938 29574 31005 31465 32277 33390 33930 34503 35061 36270 37758 39585 39962 40455 42315 42718 43407 46110 47502 47647 48230 49290 50778 53795 56637 57505 58435 59943 62010 62930 64077 64554 69006 69165 70122 72345 73935 79170 80910 81809 84630 86814 94395 95294 96831 99905 103509 105183 106795 107590 113274 115010 116870 118755 119886 126945 128154 138330 139867 142941 144690 147870 149513 161385 163618 172515 175305 179829 188790 192231 193662 199810 207018 210366 213590 217035 237510 238235 245427 253890 279734 283185 285882 299026 299715 320385 322770 333529 345030 350610 359658 384462 409045 419601 428823 434070 448539 476470 484155 490854 517545 525915 566370 599430 619411 640770 667058 699335 714705 736281 747565 818090 839202 857646 897078 899145 961155 968310 1000587 1035090 1051830 1227135 1238822 1258803 1345617 1398670 1429410 1472562 1495130 1667645 1798290 1858233 1922310 2001174 2098005 2144115 2242695 2454270 2517606 2691234 3001761 3097055 3335290 3681405 3716466 4196010 4288230 4335877 4485390 5002935 5574699 6003522 6194110 6294015 6728085 7362810 8671754 9291165 10005870 11149398 12588030 13007631 13456170 15008805 18582330 21679385 26015262 27873495 30017610 39022893 43358770 55746990 65038155 78045786 130076310 195114465 390228930
• Sum of all divisors σ(n): 1358622720
• Sum of proper divisors (its aliquot sum) s(n): 968393790
• 390228930 is an abundant number, because the sum of its proper divisors (968393790) is greater than itself. Its abundance is 578164860

Bases of 390228930

• Binary: 10111010000100110101111000010₂
• Hexadecimal: 0x17426BC2
• Base-36: 6GBYKI

Squares and roots of 390228930

• 390228930 squared (390228930²) is 152278617808944900
• 390228930 cubed (390228930³) is 59423522089463512755957000
• The square root of 390228930 is 19754.2129683771
• The cube root of 390228930 is 730.7572863193

Scales and comparisons

• 390,228,930 seconds is equal to 12 years, 21 weeks, 1 day, 12 hours, 55 minutes, 30 seconds.
• To count from 1 to 390,228,930 would take you about eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 390228930 cubic inches would be around 60.9 feet tall.

Recreational maths with 390228930

• 390228930 backwards is 039822093
• The number of decimal digits it has is: 9
• The sum of 390228930's digits is 36
• More coming soon!